linux-kernel - Re: [RFC PATCH 2/4] remoteproc: Add TEE support

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Date:   Tue, 23 May 2023 23:50:47 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Jens Wiklander <jens.wiklander@...aro.org>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        op-tee@...ts.trustedfirmware.org
Subject: Re: [RFC PATCH 2/4] remoteproc: Add TEE support

On Tue, May 23, 2023 at 11:13:48AM +0200, Arnaud Pouliquen wrote:
> +	struct tee_param param[MAX_TEE_PARAM_ARRY_MEMB];
> +	struct tee_shm *fw_shm;
> +	int ret;
> +
> +	fw_shm = tee_shm_register_kernel_buf(tee_rproc_ctx->tee_ctx, (void *)fw->data, fw->size);
> +	if (IS_ERR(fw_shm)) {
> +		/* Fallback: Try to allocate memory in OP-TEE space */
> +		fw_shm = tee_shm_alloc_kernel_buf(tee_rproc_ctx->tee_ctx, fw->size);

> +EXPORT_SYMBOL(tee_rproc_load_fw);

Please stick to the EXPORT_SYMBOL_GPL of the underlying tee
infrastructure.